Omron V680 Series User Manual page 29

Communications Test Mode
During system installation or maintenance, the mode switch can be set to 7 (Communications Test
Mode) to read ID Tag data when the power supply is turned ON. The communications results are
display on the operation indicators and the data/error code indicators.
Refer to ID Tag Communications Test Mode in this section for information on test mode.
p.31
Noise Measurement Mode
If communications with the ID Tags is unstable, set the mode switch to 8 (Noise Measurement Mode).
When the power supply is turned ON, the noise around the Antenna will be measured, and the data will
be shown on the indicators.
Refer to Noise Measurement in this section for information on measuring noise.
p.30
Section 3
Functions and Operation
RFID System
User's Manual
27